Spoke of a wheel



FIG. 1 is a perspective view of a spoke of a wheel showing a new design; and,

FIG. 2 is a front view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. The dash-dot-dash lines define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for a spoke of a wheel, as shown and described. 